CN204760461U - Explosion -proof protection component of lithium cell with rupture membrane piece and insulating isolating device of explosion -proof valve body - Google Patents
Explosion -proof protection component of lithium cell with rupture membrane piece and insulating isolating device of explosion -proof valve body Download PDFInfo
- Publication number
- CN204760461U CN204760461U CN201520536039.5U CN201520536039U CN204760461U CN 204760461 U CN204760461 U CN 204760461U CN 201520536039 U CN201520536039 U CN 201520536039U CN 204760461 U CN204760461 U CN 204760461U
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- explosion
- proof
- valve body
- rupture membrane
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses an explosion -proof protection component of lithium cell with rupture membrane piece and insulating isolating device of explosion -proof valve body, including explosion -proof cover cap, rupture membrane piece, insulation board and rupture membrane valve body, the battery apron bottom welding that is equipped with explosion proof hole has the rupture membrane piece, the explosion proof hole top that is equipped with explosion proof hole's battery apron is provided with the rupture membrane piece, rupture membrane piece top is provided with the insulation board, the insulation board top is provided with the rupture membrane valve body, rupture membrane valve body top is provided with the explosion -proof cover cap. Beneficial effect lies in: the explosion proof hole top and bottom respectively are provided with the rupture membrane piece to in addition rupture membrane valve body and explosion -proof cover cap are explosion -proof effectual, and rupture membrane piece and explosion -proof valve body insulated isolation can prevent effectively that rupture membrane from receiving electrochemical corrosion, when guaranteeing the battery security, have lengthened life -span of battery greatly, novel structure, and processing is convenient, is difficult for the weeping, and security level is high, and application scope is extensively.
Description
Technical field
The utility model belongs to technical field of lithium ion, is specifically related to a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device.
Background technology
Now extensively developed by lithium battery by the lithium ion battery that everybody uses.The negative material of lithium battery is lithium metal, and positive electrode is carbon material.According to everybody customary nomenclature rule, we claim this battery to be lithium battery.The positive electrode of lithium ion battery is cobalt-lithium oxide, and negative material is carbon material.The embedding of the lithium ion that battery is produced by positive pole in negative carbon material realizes the charge and discharge process of battery, in order to be different from traditional lithium battery, so people are referred to as lithium ion battery with moving out.The object of develop high-tech is to make it better serve the mankind.Lithium ion battery is since nineteen ninety comes out, and the performance because of its brilliance obtains swift and violent development, and is widely used in society.Lithium ion battery has captured rapidly many fields with the advantage that other battery is incomparable, as known mobile phone, notebook computer, miniature camera etc., and increasing country by this battery applications in military use.Application shows, lithium ion battery is a kind of desirable small-sized green power supply.Lithium ion battery being applied in daily life, so its security performance should be definitely the Section 1 performance assessment criteria of lithium ion battery widely.For the performance assessment criteria of lithium ion battery safety performance, define very strict standard in the world, in order to ensure the use that lithium ion battery is safe and reliable, brainstrust has carried out very strict, careful cell safety design, to reach cell safety performance assessment criteria.The explosion-protection equipment complex structure of current battery, difficulty of processing is large, and security performance is low, and the scope of application is limited to.
Utility model content
The purpose of this utility model is just to provide a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device, comprise explosion-proof cap, explosion-proof diaphragm, insulation board and rupture pressure disc valve body, the battery cover board bottom welding being provided with explosionproof hole has described rupture pressure disc sheet, described explosion-proof diaphragm is provided with above the described explosionproof hole being provided with the battery cover board of explosionproof hole, described insulation board is provided with above described explosion-proof diaphragm, described rupture pressure disc valve body is provided with above described insulation board, described explosion-proof cap is provided with above described rupture pressure disc valve body, holding screw is provided with on the battery cover board of explosionproof hole described in being fixed on by described explosion-proof cap.
In order to improve its service behaviour further, described explosion-proof diaphragm is connected with the described battery cover board being provided with explosionproof hole.
In order to improve its service behaviour further, described explosion-proof diaphragm and the described insulation board of described rupture pressure disc valve body are isolated.
In order to improve its service behaviour further, described rupture pressure disc valve inner is fixed with described explosion-proof diaphragm.
In order to improve its service behaviour further, described explosion-proof cap is connected by described holding screw with the described battery cover board being provided with explosionproof hole.
The beneficial effects of the utility model are: explosionproof hole top and bottom are respectively provided with explosion-proof diaphragm, and also have rupture pressure disc valve body and explosion-proof cap, explosion-proof effect is good, and explosion-proof diaphragm and explosion-proof valve body insulate and isolate, can rupture pressure disc be effectively prevented to be subject to electrochemical corrosion, while guarantee battery security, substantially prolongs the life-span of battery, novel structure, easy to process, not easy-to-leak liquid, safe class is high, applied widely.
Accompanying drawing explanation
Fig. 1 is a kind of front view being provided with the lithium battery explosive-proof protector component of explosion-proof diaphragm and explosion-proof valve body insulated isolated device described in the utility model.
1, the battery cover board of explosionproof hole is provided with; 2, explosion-proof diaphragm; 3, insulation board; 4, rupture pressure disc valve body; 5, explosion-proof cap; 6, holding screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device, comprise explosion-proof cap 5, explosion-proof diaphragm 2, insulation board 3 and rupture pressure disc valve body 4, battery cover board 1 bottom welding being provided with explosionproof hole has explosion-proof diaphragm 2, be provided with the battery cover board 1 of explosionproof hole in order to protect battery, and play insulation, explosion-proof diaphragm 2 is contained in pressure vessel top to prevent the metallic film of container explosion, it is a kind of safety device, the pressure in container can be reduced, avoid blast, explosion-proof diaphragm 2 is provided with above the explosionproof hole being provided with the battery cover board 1 of explosionproof hole, insulation board 3 is provided with above explosion-proof diaphragm 2, insulation board 3 insulating element, avoid producing electrical connection or chemical reaction, rupture pressure disc valve body 4 is provided with above insulation board 3, rupture pressure disc valve body 4 is the valve bodies that can prevent from exploding, explosion-proof cap 5 is provided with above rupture pressure disc valve body 4, explosion-proof cap 5 can prevent blast, it is a kind of safety device, explosion-proof cap 5 is fixed on and is provided with on the battery cover board 1 of explosionproof hole by holding screw 6, holding screw 6 plays fixing, the effect connected.
In order to improve its service behaviour further, explosion-proof diaphragm 2 is connected with the battery cover board 1 being provided with explosionproof hole, explosion-proof diaphragm 2 is isolated with rupture pressure disc valve body 4 insulation board 3, rupture pressure disc valve body 4 inside is fixed with explosion-proof diaphragm 2, and explosion-proof cap 5 is connected by holding screw 6 with the battery cover board 1 being provided with explosionproof hole.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and effect thing thereof.
Claims (5)
1. one kind is provided with the lithium battery explosive-proof protector component of explosion-proof diaphragm and explosion-proof valve body insulated isolated device, it is characterized in that: comprise explosion-proof cap, explosion-proof diaphragm, insulation board and rupture pressure disc valve body, the battery cover board bottom welding being provided with explosionproof hole has described rupture pressure disc sheet, described explosion-proof diaphragm is provided with above the described explosionproof hole being provided with the battery cover board of explosionproof hole, described insulation board is provided with above described explosion-proof diaphragm, described rupture pressure disc valve body is provided with above described insulation board, described explosion-proof cap is provided with above described rupture pressure disc valve body, holding screw is provided with on the battery cover board of explosionproof hole described in being fixed on by described explosion-proof cap.
2. a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device according to claim 1, is characterized in that: described explosion-proof diaphragm is connected with the described battery cover board being provided with explosionproof hole.
3. a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device according to claim 1, is characterized in that: described explosion-proof diaphragm and the described insulation board of described rupture pressure disc valve body are isolated.
4. a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device according to claim 1, is characterized in that: described rupture pressure disc valve inner is fixed with described explosion-proof diaphragm.
5. a kind of lithium battery explosive-proof protector component being provided with explosion-proof diaphragm and explosion-proof valve body insulated isolated device according to claim 1, is characterized in that: described explosion-proof cap is connected by described holding screw with the described battery cover board being provided with explosionproof hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536039.5U CN204760461U (en) | 2015-07-22 | 2015-07-22 | Explosion -proof protection component of lithium cell with rupture membrane piece and insulating isolating device of explosion -proof valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536039.5U CN204760461U (en) | 2015-07-22 | 2015-07-22 | Explosion -proof protection component of lithium cell with rupture membrane piece and insulating isolating device of explosion -proof valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204760461U true CN204760461U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520536039.5U Expired - Fee Related CN204760461U (en) | 2015-07-22 | 2015-07-22 | Explosion -proof protection component of lithium cell with rupture membrane piece and insulating isolating device of explosion -proof valve body |
Country Status (1)
| Country | Link |
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| CN (1) | CN204760461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006900A1 (en) * | 2020-07-10 | 2022-01-13 | 宁德时代新能源科技股份有限公司 | Pressure relief mechanism, battery box, battery cell, battery, preparation method and device |
| RU2813836C1 (en) * | 2020-07-10 | 2024-02-19 | Контемпорари Амперекс Текнолоджи Ко., Лимитед | Pressure release mechanism, battery box, battery cell, method and apparatus for manufacturing |
-
2015
- 2015-07-22 CN CN201520536039.5U patent/CN204760461U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006900A1 (en) * | 2020-07-10 | 2022-01-13 | 宁德时代新能源科技股份有限公司 | Pressure relief mechanism, battery box, battery cell, battery, preparation method and device |
| JP2023504937A (en) * | 2020-07-10 | 2023-02-07 | 寧徳時代新能源科技股▲分▼有限公司 | Pressure release mechanism, battery case, battery cell, battery, manufacturing method and apparatus |
| JP7290806B2 (en) | 2020-07-10 | 2023-06-13 | 寧徳時代新能源科技股▲分▼有限公司 | Pressure release mechanism, battery case, battery cell, battery, manufacturing method and apparatus |
| RU2813836C1 (en) * | 2020-07-10 | 2024-02-19 | Контемпорари Амперекс Текнолоджи Ко., Лимитед | Pressure release mechanism, battery box, battery cell, method and apparatus for manufacturing |
| RU2815077C1 (en) * | 2020-07-10 | 2024-03-11 | Контемпорари Амперекс Текнолоджи Ко., Лимитед | Battery box, battery element, battery, as well as method and device for making battery box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20190722 |